At Narvik, Norway, a British naval force consisted of battleship HMS Warspite and 9 destroyers under the command of Vice Admiral William Whitworth entered Ofotfjord; in the Second Battle of Narvik, Warspite's Swordfish torpedo bomber sank German submarine U-64 with bombs, while surface vessels sank 3 destroyers, with another 5 German ships scuttled by their own crews after suffering extensive damage; three British ships were damaged in the battle; without their ships, 2,600 German sailors went on land and served as infantrymen; Whitworth radioed London, noting that German forces at Narvik were now stranded, and a single brigade could defeat them. Meanwhile, off Trondheim, Norwegian cruiser-minelayer Fr